/*
  Copyright 2011 Keith E. Laidig

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 */
package org.aimj.tools;
import org.aimj.tools.*;
import java.util.*;
public abstract class AF {

    protected Centre origin;  // function origin
    protected Double expon;  // function exponents
    public List<Double> coeff;  // function coefficients for all MOs

    public AF(Centre origin, Double expon) {
        this.origin = origin;
        this.expon = expon;
		  coeff = new ArrayList<Double>();
    }

    public abstract Double getBFValue(Centre position);
    public abstract Double getGXValue(Centre position);
    public abstract Double getGYValue(Centre position);
    public abstract Double getGZValue(Centre position);
    public abstract Double getGXXValue(Centre position);
    public abstract Double getGXYValue(Centre position);
    public abstract Double getGXZValue(Centre position);
    public abstract Double getGYYValue(Centre position);
    public abstract Double getGYZValue(Centre position);
    public abstract Double getGZZValue(Centre position);

}
